package com.hafu.dao;
import com.hafu.model.GysInfo;
import com.hafu.util.DbUtil;
import com.hafu.util.StringUtil;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
public class GysInfoDao {
    public Boolean addGysInfo(GysInfo gys)
    {
        String sql = "insert into gysinfo(name, tel) values(?,?)";
        Connection conn = DbUtil.getConn();
        try {
            PreparedStatement preparedStatement = conn.prepareStatement(sql);
            preparedStatement.setString(1,gys.getName());
            preparedStatement.setString(2,gys.getTel());
            int i = preparedStatement.executeUpdate();
            if (i>0){
                System.out.println("添加成功");
                return true;
            }else return false;
        } catch (Exception throwables) {
            throwables.printStackTrace();
        }
        return false;
    }
    public Boolean deleteGysInfo(int id)
    {
        String sql = "delete from gysinfo where id=?";
        Connection conn = DbUtil.getConn();
        try {
            PreparedStatement preparedStatement = conn.prepareStatement(sql);
            preparedStatement.setInt(1,id);
            int i = preparedStatement.executeUpdate();
            if (i>0){
                System.out.println("删除成功");
                return true;
            }else return false;
        }catch (SQLException throwables){
            throwables.printStackTrace();
        }
        return false;
    }
    public Boolean updateGysInfo(GysInfo gys)
    {
        String sql = "update gysinfo set name=?,tel=? where id=?";
        Connection conn = DbUtil.getConn();
        try {
            PreparedStatement preparedStatement = conn.prepareStatement(sql);
            preparedStatement.setString(1,gys.getName());
            preparedStatement.setString(2,gys.getTel());
            preparedStatement.setInt(3,gys.getId());
            int i = preparedStatement.executeUpdate();
            if (i>0){
                System.out.println("修改成功");
                return true;
            }else return false;
        }catch (SQLException throwables){
            throwables.printStackTrace();
        }
        return false;
    }
    public ArrayList<GysInfo> getGysInfoByName(GysInfo gys)
    {
        ArrayList<GysInfo> list = new ArrayList<GysInfo>();
        String sql = "select * from gysinfo";
        if (!StringUtil.isEmpty(gys.getName())){
            sql=sql+" where name like '%"+gys.getName()+"%'";
        }
        Connection conn = DbUtil.getConn();
        try {
            PreparedStatement preparedStatement = conn.prepareStatement(sql);
            ResultSet resultSet = preparedStatement.executeQuery();
            while (resultSet.next()) {
                int id = resultSet.getInt("id");
                String name = resultSet.getString("name");
                String tel = resultSet.getString("tel");
                GysInfo gysInfo = new GysInfo(id, name, tel);
                list.add(gysInfo);
            }
        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }
        return list;
    }
}